Delta Cargo announced that it is halting all services in Shanghai amid ongoing Covid-19 rules in the Chinese financial hub.

"Due to local COVID restrictions, all flights in and out of Shanghai, CN (PVG) have been suspended," the freight arm of Delta Air Lines said in an April operational advisory.

It added that the embargo of all products (import/export/transfer) PVG has been extended until April 18.

"We apologize for the inconvenience. Impacted customers will be notified, and we will continue to monitor local conditions and provide updates as needed," it added.